package com.aq.state;

// 观察测试线程状态
public class TestState {

    public static void main(String[] args) {
        Thread thread = new Thread(() -> {
            for (int i = 0; i < 5; i++) {
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
                System.out.println("................");
            }
        });

        // 观察状态
        Thread.State state = thread.getState();
        System.out.println("NEW：" + state);

        // 观察启动后
        thread.start();
        state = thread.getState();
        System.out.println("RUN：" + state);

        while (state != Thread.State.TERMINATED) { // 只要线程不终止 就一直输出状态
            try {
                thread.sleep(100);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            state = thread.getState(); // 更新线程状态
            System.out.println("更新状态RUN：" + state);
        }

    }

}
